When grabbing images, the image will be grabbed from the portion of
the screen underlying the window, or from the system's video input,
or from a random file on disk, as indicated by
the grabDesktopImages, grabVideoFrames,
and chooseRandomImages options in the ~/.xscreensaver
file; see
xscreensaver-demo(1)
for more details.

-wireframe

Same as "-mode wire".

-flat num

0 for smooth shading 1 for flat. default 0

-speed num

Specifies speed of ripples flowing over the surface. default 0.05

-rotationx num -rotationy num -rotationz num

Specifies the speed of rotation of the surface in these axis

-waves num

Specifies the number of ripple centres at any one time. Values should be greater than 1. default 3

-waveChange num

Specifies the duration of a ripple centre. after this they fade away to be reborn elsewhere with a different frequency. default 50

-waveHeight num

Specifies the height of ripples on the surface. default 1.0

-waveFreq num

Specifies the maximum frequency of ripples. default 3.0

-zoom num

Specifies the size of the viewport. Smaller values fill the screen with rippling surface. default 1.0

-delay microseconds

How long to pause between frames. Default is 20000, or 0.02 second.

-fps

Display a running tally of how many frames per second are being rendered.
In conjunction with -delay 0, this can be a useful benchmark of
your GL performance.

ENVIRONMENT

DISPLAY

to get the default host and display number.

XENVIRONMENT

to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.